mined相关论文
你遇到问题了?太好了。为什么这么说呢?因为你每遇到一个问题并以积极的心态解决它,你就会变得更好、更成熟、更成功。在面对各种......
UHMWPE fiber (Dyneema) reinforced composites are an important class of materials for armors.These materials provide supe......
Jinchuan nickel mine is the largest nickel mine in China. Cut-and-fill mining method with high density cementing materia......
Gangue from underground separation of coal can directly be used for filling mined out areas, saving transport capacity a......
Based on the principle of fully mechanized backfilling and coal mining technology and combined with the Xingtai Coal Min......
根据采空区路面塌陷数据的特性,提出了基于经验模态分解（EMD）和加权最小二乘支持向量机（WLS-SVM）预测采空区地面塌陷的新方法,并将其应......
以某矿区的实际勘测为例,通过对瞬变电磁法和测氡法的工作原理进行简单说明,证明该方法在物探煤炭采空区方面的实效性,并结合在煤......
Rare earths were not mined domestically in 2016. Bastnaesite, a rare-earth fluorocarbonate mineral, was previously mined......
